Home / 11,331.57-16,991.52-5,086.23

Finding the Fourth Proportional to 11,331.57, 16,991.52 and 5,086.23

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Solution

The fourth proportional to 11,331.57, 16,991.52 and 5,086.23 is: 7,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.57 : 16,991.52 = 5,086.23 : x
  2. Step 2: Convert to fraction form
    11,331.57/16,991.52 = 5,086.23/x
  3. Step 3: Cross multiply
    11,331.57x = 16,991.52 × 5,086.23
  4. Step 4: Simplify right side
    11,331.57x = 86,422,778.77
  5. Step 5: Solve for x
    x = 86,422,778.77/11,331.57
  6. Step 6: Final answer
    x = 7,626.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.